255653005 has 8 divisors (see below), whose sum is σ = 307027224. Its totient is φ = 204360000.

The previous prime is 255652997. The next prime is 255653023. The reversal of 255653005 is 500356552.

It can be written as a sum of positive squares in 4 ways, for example, as 6360484 + 249292521 = 2522^2 + 15789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255653005 - 2³ = 255652997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13146 + ... + 26155.

It is an arithmetic number, because the mean of its divisors is an integer number (38378403).

Almost surely, 2^255653005 is an apocalyptic number.

It is an amenable number.

255653005 is a deficient number, since it is larger than the sum of its proper divisors (51374219).

255653005 is a wasteful number, since it uses less digits than its factorization.

255653005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40607.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 255653005 is about 15989.1527292724. The cubic root of 255653005 is about 634.6734055346.

The spelling of 255653005 in words is "two hundred fifty-five million, six hundred fifty-three thousand, five".